Novel genetic polymorphisms associated with severe malaria and under selective pressure in North-eastern Tanzania. by Ravenhall, M, Campino, S, Sepúlveda, N, Manjurano, A, Nadjm, B, Mtove, G, Wangai, H, Maxwell, C, Olomi, R, Reyburn, H, Drakeley, CJ, Riley, EM, Clark, TG